Summary of Research Project Results under JSPS FY2003
"Research for the Future Program"



1.Research Institution Saitama University
2.Research Area Integrated Fields
3.Research Field Behavior of Substances and Organisms under High Magnetic Field
4.Term of Project FY 1999 - FY 2003
5.Project Number 99I00805
6.Title of Project Non-Traditional Magnetic Control for Physico-Chemical Processes

7.Project Leader
Name Institution,Department Title of Position
Seiichiro , Nakabayashi Saitama University , Faculty of Science Professor

8.Core Members

Names Institution,Department Title of Position
Hiroshi , Sakaguchi Shizuoka University, Reserarch Institute of Electronics Associate Professor

9.Summary of Research Results

Interdisciplinary studies have been conducted by using dry super-conducting magnet. The maximum magnetic field was 10T. In the period of the project, we focused to (a) non-equilibrium system, (b) particle or bubble whose size locate in between 10-9-10-6m, and (c) some specific systems sensitive to the magnetic field. As for category (a), (1) specific spatiotemporal pattern formation was discovered in the iron corrosion under high magnetic field, (2) new magnetic field effect to the ensembles of non-linear electrochemical oscillators, which is expected to be the simple model for the nerve systems in a living system, (3) behaviors of typical non-linear chemical reactions such as B-Z reaction was investigated under high magnetic field. These studies realized that the small perturbation by the magnetic field can be empathized in those non-linear systems. In the category (b), (4) we formed a newly designed colloidal crystal that can vary its structural color by the magnetic field, and (5) improved the spatial order in a two dimensional film by mono-particle layer. In category (c), (6) we studied a giant magnetic resistance formed by a nano-structured electronic ceramics, and (7) magnetic field induced change in optical properties of ultra pure water. Thus, we have succeeded to grow the research embryo to the fruitful basic science, which has a potential to expand itself into industrial applications.

10.Key Words
(1)High magnetic field   (2)Gradient magnetic field   (3)Magnetic force
(4) Nano-particle   (5)Water   (6)Giant magnetic resistance
(7) Self-organization   (8)Non-linear dissipative structure

 

 


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